Warfarin (Coumadin)
Warfarin is an anticoagulant drug used to treat cardiovascular disease, which inhibits vitamin K-dependent clotting factors. It has no effect on clots already formed, but acts to prevent the appearance of new thrombus in the blood vessels. Warfarin can be purchased from conventional pharmacies under the trade names Coumadin, Marevan or Varfine; however, a prescription […]